Feb 11, 2013 6:00pm PST
. catholics around the world are beginning to wonder who the next pope will be. pope benedict announced his retirement today. here, you see him on christmas. most popz served until their deaths. benedict is the first in 600 years to quit. >> parishioners are expressing near universal surprise the pope decided to retirks some wonder whether there is a hidden reason. change is underway. >> there have been no attempts to disguise issues of advancing age. it's known he has arthritis and occasionally using a cane. a moving platform takes him down the aisle. father mccarthy thinks pope benedict's decision to retire was motivated by predecessor autos he served under a pope who was incapacitated forjv the last several years z he probably saw this has liabilities for the church. >> still, parishioners in san jess yeah wonder if they're getting the whole reason. >> probably there is another cause like he came everywhere, met people or something. >> one door closes and another opens. a diverse college of cardinals will vote for the new pope. the greatest growth has been in latin america.